When trying to add an IPv6 static route you get an error, "Ipv6RouteIndex does not exist".
Error: [http-nio-443-exec-5] [ActionServlet] ERROR - null java.lang.IllegalArgumentException: property Ipv6RouteIndex does not exist
This an issue with the product updating the routing table with an IPv6 address.
This issue is resolved in the 10.7.5 release.